Cognomen Заян (Zian 
, Zayan 
, Zaian 
) , all around the world, is a common surname. The cognomen Заян is habitual in Maldives, where it is quite a common surname, Egypt, where it is quite a rare surname, and Morocco. Not in comparison with a country's population, it is the most numerous in Northern Africa, particularly Egypt, Morocco, and Algeria. Also, Заян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zian | Morocco, Egypt, China, Algeria, Bangladesh |
| Zayan | Morocco, Egypt, Indonesia, Algeria, Bangladesh |
| Zaian | Morocco, Egypt, Malaysia, China, Bangladesh |
| Заян | Kazakhstan, Russia, Ukraine |